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Versatile single-step-assembly CRISPR/Cas9 vectors for dual gRNA expression
CRISPR/Cas9 technology enables efficient, rapid and cost-effective targeted genomic modification in a wide variety of cellular contexts including cultured cells. Some applications such as generation of double knock-outs, large deletions and paired-nickase cleavage require simultaneous expression of...
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Published in: | PloS one 2017-12, Vol.12 (12), p.e0187236-e0187236 |
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description | CRISPR/Cas9 technology enables efficient, rapid and cost-effective targeted genomic modification in a wide variety of cellular contexts including cultured cells. Some applications such as generation of double knock-outs, large deletions and paired-nickase cleavage require simultaneous expression of two gRNAs. Although single plasmids that enable multiplex expression of gRNAs have been developed, these require multiple rounds of cloning and/or PCR for generation of the desired construct. Here, we describe a series of vectors that enable generation of customized dual-gRNA expression constructs via an easy one-step golden gate cloning reaction using two annealed oligonucleotide inserts with different overhangs. Through nucleofection of mouse embryonic stem cells, we demonstrate highly efficient cleavage of the target loci using the dual-guide plasmids, which are available as Cas9-nuclease or Cas9-nickase expression constructs, with or without selection markers. These vectors are a valuable addition to the CRISPR/Cas9 toolbox and will be made available to all interested researchers via the Addgene plasmid repository. |
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Some applications such as generation of double knock-outs, large deletions and paired-nickase cleavage require simultaneous expression of two gRNAs. Although single plasmids that enable multiplex expression of gRNAs have been developed, these require multiple rounds of cloning and/or PCR for generation of the desired construct. Here, we describe a series of vectors that enable generation of customized dual-gRNA expression constructs via an easy one-step golden gate cloning reaction using two annealed oligonucleotide inserts with different overhangs. Through nucleofection of mouse embryonic stem cells, we demonstrate highly efficient cleavage of the target loci using the dual-guide plasmids, which are available as Cas9-nuclease or Cas9-nickase expression constructs, with or without selection markers. These vectors are a valuable addition to the CRISPR/Cas9 toolbox and will be made available to all interested researchers via the Addgene plasmid repository.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0187236</identifier><identifier>PMID: 29211736</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Animals ; Biology and life sciences ; Biotechnology ; Cells, Cultured ; Cleavage ; Cloning ; Cloning, Molecular ; Clustered Regularly Interspaced Short Palindromic Repeats ; CRISPR ; Deoxyribonucleic acid ; DNA ; Embryo cells ; Embryonic stem cells ; Embryonic Stem Cells - metabolism ; Engineering and Technology ; Expression vectors ; Gene expression ; Genetic recombination ; Genetic Vectors ; Genomes ; gRNA ; Inserts ; Laboratories ; Mice ; Multiplexing ; Muscular dystrophy ; Nuclease ; Oligonucleotides ; Physiological aspects ; Plasmids ; Polymerase Chain Reaction ; Research and analysis methods ; RNA processing ; RNA, Guide, CRISPR-Cas Systems - genetics ; Stem cell transplantation ; Stem cells ; Transfection</subject><ispartof>PloS one, 2017-12, Vol.12 (12), p.e0187236-e0187236</ispartof><rights>COPYRIGHT 2017 Public Library of Science</rights><rights>2017 Adikusuma et al. This is an open access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/4.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><rights>2017 Adikusuma et al 2017 Adikusuma et al</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c692t-79427f3995bbf8c338fcc832b638d0891f0d2f264c6b0fa82895868d5de76d333</citedby><cites>FETCH-LOGICAL-c692t-79427f3995bbf8c338fcc832b638d0891f0d2f264c6b0fa82895868d5de76d333</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/1973446834/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/1973446834?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,885,25753,27924,27925,37012,37013,44590,53791,53793,75126</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29211736$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><contributor>Wang, Tony T.</contributor><creatorcontrib>Adikusuma, Fatwa</creatorcontrib><creatorcontrib>Pfitzner, Chandran</creatorcontrib><creatorcontrib>Thomas, Paul Quinton</creatorcontrib><title>Versatile single-step-assembly CRISPR/Cas9 vectors for dual gRNA expression</title><title>PloS one</title><addtitle>PLoS One</addtitle><description>CRISPR/Cas9 technology enables efficient, rapid and cost-effective targeted genomic modification in a wide variety of cellular contexts including cultured cells. Some applications such as generation of double knock-outs, large deletions and paired-nickase cleavage require simultaneous expression of two gRNAs. Although single plasmids that enable multiplex expression of gRNAs have been developed, these require multiple rounds of cloning and/or PCR for generation of the desired construct. Here, we describe a series of vectors that enable generation of customized dual-gRNA expression constructs via an easy one-step golden gate cloning reaction using two annealed oligonucleotide inserts with different overhangs. Through nucleofection of mouse embryonic stem cells, we demonstrate highly efficient cleavage of the target loci using the dual-guide plasmids, which are available as Cas9-nuclease or Cas9-nickase expression constructs, with or without selection markers. 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metabolism</topic><topic>Engineering and Technology</topic><topic>Expression vectors</topic><topic>Gene expression</topic><topic>Genetic recombination</topic><topic>Genetic Vectors</topic><topic>Genomes</topic><topic>gRNA</topic><topic>Inserts</topic><topic>Laboratories</topic><topic>Mice</topic><topic>Multiplexing</topic><topic>Muscular dystrophy</topic><topic>Nuclease</topic><topic>Oligonucleotides</topic><topic>Physiological aspects</topic><topic>Plasmids</topic><topic>Polymerase Chain Reaction</topic><topic>Research and analysis methods</topic><topic>RNA processing</topic><topic>RNA, Guide, CRISPR-Cas Systems - genetics</topic><topic>Stem cell transplantation</topic><topic>Stem cells</topic><topic>Transfection</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adikusuma, Fatwa</creatorcontrib><creatorcontrib>Pfitzner, Chandran</creatorcontrib><creatorcontrib>Thomas, Paul Quinton</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale In Context: Opposing Viewpoints</collection><collection>Science in Context</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>ProQuest Nursing & Allied Health Database</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>ProQuest Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>ProQuest Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Meteorological & Geoastrophysical Abstracts - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adikusuma, Fatwa</au><au>Pfitzner, Chandran</au><au>Thomas, Paul Quinton</au><au>Wang, Tony T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Versatile single-step-assembly CRISPR/Cas9 vectors for dual gRNA expression</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2017-12-06</date><risdate>2017</risdate><volume>12</volume><issue>12</issue><spage>e0187236</spage><epage>e0187236</epage><pages>e0187236-e0187236</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>CRISPR/Cas9 technology enables efficient, rapid and cost-effective targeted genomic modification in a wide variety of cellular contexts including cultured cells. Some applications such as generation of double knock-outs, large deletions and paired-nickase cleavage require simultaneous expression of two gRNAs. Although single plasmids that enable multiplex expression of gRNAs have been developed, these require multiple rounds of cloning and/or PCR for generation of the desired construct. Here, we describe a series of vectors that enable generation of customized dual-gRNA expression constructs via an easy one-step golden gate cloning reaction using two annealed oligonucleotide inserts with different overhangs. Through nucleofection of mouse embryonic stem cells, we demonstrate highly efficient cleavage of the target loci using the dual-guide plasmids, which are available as Cas9-nuclease or Cas9-nickase expression constructs, with or without selection markers. These vectors are a valuable addition to the CRISPR/Cas9 toolbox and will be made available to all interested researchers via the Addgene plasmid repository.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>29211736</pmid><doi>10.1371/journal.pone.0187236</doi><tpages>e0187236</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Animals Biology and life sciences Biotechnology Cells, Cultured Cleavage Cloning Cloning, Molecular Clustered Regularly Interspaced Short Palindromic Repeats CRISPR Deoxyribonucleic acid DNA Embryo cells Embryonic stem cells Embryonic Stem Cells - metabolism Engineering and Technology Expression vectors Gene expression Genetic recombination Genetic Vectors Genomes gRNA Inserts Laboratories Mice Multiplexing Muscular dystrophy Nuclease Oligonucleotides Physiological aspects Plasmids Polymerase Chain Reaction Research and analysis methods RNA processing RNA, Guide, CRISPR-Cas Systems - genetics Stem cell transplantation Stem cells Transfection |
title | Versatile single-step-assembly CRISPR/Cas9 vectors for dual gRNA expression |
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